/**
 * 
 */
package org.demetra.jets;

import java.util.Collection;

/**
 * @author vjache
 *
 */
public interface TupleFetcher<TupleType> {
	Collection<TupleType> fetch(TupleType aFetchPattern);
	Collection<TupleType> select(
			TupleType aFetchPattern,
			TupleType aSelectPattern);
}
